2015 GMC Terrain electrical system problems
31 owner complaints filed with NHTSA name the electrical system on the 2015 GMC Terrain — 10% of all complaints for this model year.
What owners report
“My vehicle began jerking, shaking and kept shutting off in a highway intersection. I looked on the ground after coasting into a gas station to find oil leaking from under my vehicle. I've never had an oil leak and it caused my starter to go and I've had to replace the camshaft sensors all within…”
filed Jan 30, 2025
“I am writing to urgently request a safety recall for the GMC Terrain 2015 due to a critical issue with the lift gate mechanism, which may be both electrical and mechanical. Recently, while utilizing the lift gate for routine activities such as grocery shopping, a terrifying incident occurred that…”
filed Apr 23, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Terrain years
| Year | Reports | Share |
|---|---|---|
| 2026 Terrain | 1 | 4% |
| 2024 Terrain | 6 | 13% |
| 2023 Terrain | 7 | 19% |
| 2022 Terrain | 5 | 10% |
| 2021 Terrain | 7 | 21% |
| 2020 Terrain | 27 | 15% |
| 2019 Terrain | 37 | 21% |
| 2018 Terrain | 35 | 16% |
| 2017 Terrain | 9 | 7% |
| 2016 Terrain | 9 | 6% |
| 2014 Terrain | 31 | 10% |
| 2013 Terrain | 22 | 6% |
Other reported problem areas on the 2015 GMC Terrain
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.